Which of the following techniques is used by researchers to carry out dna replication in vitro? a. northern blotting b. dna fingerprinting c. polymerase chain reaction

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective